Nico Robin is a crewmate, a nakama, and an intelligent woman. Zoro doesn't see her as anything more than that, at first. But gradually, as they travel, that starts to change. As he sees more facets of this carefully guarded woman, he can't help but see her as something more. (This is a slow romance that will wind itself in and out of the anime, agreeing with canon.)
One Piece - Rated: K+ - English - Romance/Humor - Chapters: 25 - Words: 58,663 - Reviews: 241 - Favs: 268 - Follows: 276 - Updated: 1/31 - Published: 5/4/2014 - Zoro, Robin